Features and Benefits: Chrome Plated – Marine Grade Rust Protection;Color Coded ID Markings allow for quick tool identification on jobsite;Deep well sockets – Drive multiple fasteners;Forged steel shanks provide longer life and more durability;HollowCore? Unlimited Depth – Ideal for long bolts or threaded rod applications;Includes 9/16″ Driver;Magnetic Drivers – Secure fitment in fastening applications;Removes rusted and stripped bolts;Universal driver head fits 4X more fasteners;Wrench Ready HEX shanks deliver additional leverage;Milwaukee? 7 pc. SAE HollowCore? magnetic nut drivers feature a thread-thru design for unlimited depth in threaded rod and long bolt applications. The magnetic universal driver heads fit 4X more fasteners including: square, hex, 12 point spline. Designed for maximum durability the wrench ready hex steel shanks are forged and chrome plated. Milwaukee nut drivers are designed for the jobsite and include Milwaukee’s Limited Lifetime Warranty.